Base for a pipe supporting device



FIG. 1 is a perspective view of a base for a pipe supporting device showing our design, which is also shown in FIGS. 2-4;

FIG. 2 is a perspective front view;

FIG. 3 is a top view; and,

FIG. 4 is a perspective side view. 

The ornamental design for a base for a pipe supporting device, as shown and described. 